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f20baf8e DG |
1 | /* |
2 | * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License, version 2 only, as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | */ | |
17 | ||
022d91ba DG |
18 | #ifndef AGENT_COMM |
19 | #define AGENT_COMM | |
f20baf8e DG |
20 | |
21 | #define _GNU_SOURCE | |
22 | #include <stdint.h> | |
23 | ||
24 | #include <lttng/lttng.h> | |
25 | ||
26 | /* | |
27 | * Command value pass in the header. | |
28 | */ | |
022d91ba DG |
29 | enum lttcomm_agent_command { |
30 | AGENT_CMD_LIST = 1, | |
31 | AGENT_CMD_ENABLE = 2, | |
32 | AGENT_CMD_DISABLE = 3, | |
33 | AGENT_CMD_REG_DONE = 4, /* End registration process. */ | |
f20baf8e DG |
34 | }; |
35 | ||
36 | /* | |
37 | * Return code from the Java agent. | |
38 | */ | |
022d91ba DG |
39 | enum lttcomm_agent_ret_code { |
40 | AGENT_RET_CODE_SUCCESS = 1, | |
41 | AGENT_RET_CODE_INVALID = 2, | |
42 | AGENT_RET_CODE_UNKNOWN_NAME = 3, | |
f20baf8e DG |
43 | }; |
44 | ||
45 | /* | |
022d91ba | 46 | * Agent application communication header. |
f20baf8e | 47 | */ |
022d91ba | 48 | struct lttcomm_agent_hdr { |
f20baf8e | 49 | uint64_t data_size; /* data size following this header */ |
022d91ba | 50 | uint32_t cmd; /* Enum of agent command. */ |
f20baf8e DG |
51 | uint32_t cmd_version; /* command version */ |
52 | } LTTNG_PACKED; | |
53 | ||
54 | /* | |
55 | * Enable event command payload. | |
56 | */ | |
022d91ba | 57 | struct lttcomm_agent_enable { |
b2064f54 DG |
58 | uint32_t loglevel; |
59 | uint32_t loglevel_type; | |
f20baf8e DG |
60 | char name[LTTNG_SYMBOL_NAME_LEN]; |
61 | } LTTNG_PACKED; | |
62 | ||
63 | /* | |
64 | * Disable event command payload. | |
65 | */ | |
022d91ba | 66 | struct lttcomm_agent_disable { |
f20baf8e DG |
67 | char name[LTTNG_SYMBOL_NAME_LEN]; |
68 | } LTTNG_PACKED; | |
69 | ||
70 | /* | |
71 | * Generic reply coming from the Java Agent. | |
72 | */ | |
022d91ba | 73 | struct lttcomm_agent_generic_reply { |
f20baf8e DG |
74 | uint32_t ret_code; |
75 | } LTTNG_PACKED; | |
76 | ||
77 | /* | |
78 | * List command reply header. | |
79 | */ | |
022d91ba | 80 | struct lttcomm_agent_list_reply_hdr { |
f20baf8e DG |
81 | uint32_t ret_code; |
82 | uint32_t data_size; | |
83 | } LTTNG_PACKED; | |
84 | ||
85 | /* | |
86 | * List command reply payload coming from the Java Agent. | |
87 | */ | |
022d91ba | 88 | struct lttcomm_agent_list_reply { |
f20baf8e DG |
89 | uint32_t nb_event; |
90 | /* List of event name each of them ending by a NULL byte. */ | |
91 | char payload[]; | |
92 | } LTTNG_PACKED; | |
93 | ||
022d91ba | 94 | #endif /* AGENT_COMM */ |